1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/Installer/win/InstallHelper/VBoxCommon.cpp b/src/VBox/Installer/win/InstallHelper/VBoxCommon.cpp
new file mode 100644
index 00000000..8dd656c1
--- /dev/null
+++ b/src/VBox/Installer/win/InstallHelper/VBoxCommon.cpp
@@ -0,0 +1,63 @@
+/* $Id: VBoxCommon.cpp $ */
+/** @file
+ * VBoxCommon - Misc helper routines for install helper.
+ */
+
+/*
+ * Copyright (C) 2008-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/win/windows.h>
+#include <tchar.h>
+#include <stdio.h>
+
+#include <msi.h>
+#include <msiquery.h>
+
+
+#if (_MSC_VER < 1400) /* Provide swprintf_s to VC < 8.0. */
+int swprintf_s(WCHAR *buffer, size_t cbBuffer, const WCHAR *format, ...)
+{
+    int ret;
+    va_list va;
+    va_start(va, format);
+    ret = _vsnwprintf(buffer, cbBuffer, format, va);
+    va_end(va);
+    return ret;
+}
+#endif
+
+UINT VBoxGetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue, DWORD a_dwSize)
+{
+    DWORD dwBuffer = 0;
+    UINT uiRet = MsiGetPropertyW(a_hModule, a_pwszName, L"", &dwBuffer);
+    if (uiRet == ERROR_MORE_DATA)
+    {
+        ++dwBuffer;     /* On output does not include terminating null, so add 1. */
+
+        if (dwBuffer > a_dwSize)
+            return ERROR_MORE_DATA;
+
+        ZeroMemory(a_pwszValue, a_dwSize);
+        uiRet = MsiGetPropertyW(a_hModule, a_pwszName, a_pwszValue, &dwBuffer);
+    }
+    return uiRet;
+}
+
+UINT VBoxSetProperty(MSIHANDLE a_hModule, WCHAR *a_pwszName, WCHAR *a_pwszValue)
+{
+    return MsiSetPropertyW(a_hModule, a_pwszName, a_pwszValue);
+}
+